CN219499133U

CN219499133U - High-voltage motor anti-reversion device with protection function

Info

Publication number: CN219499133U
Application number: CN202320593938.3U
Authority: CN
Inventors: 丁耀; 孟晓敏; 丁子健
Original assignee: Baotou Iron and Steel Group Co Ltd
Current assignee: Baotou Iron and Steel Group Co Ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-08-08
Anticipated expiration: 2033-03-23

Abstract

The utility model discloses a high-voltage motor anti-reversion device with a protection function, which comprises a protection cover, wherein a support frame is fixedly connected to the bottom of an inner cavity of the protection cover, a brake block is movably connected to the top of the support frame through a rotating shaft, and a coupler is arranged between the two brake blocks. According to the utility model, through the matched use of the protective cover, the band-type brake mechanism, the brake pad, the spring, the support frame and the handle, the protective cover can play a role in preventing the damage of rotating machinery, the band-type brake device can effectively prevent the fan and the water pump from reversing after the fan and the water pump are stopped, the defects of damage of a motor bearing and a reduction gearbox gear, the service life is reduced, and the equipment maintenance cost is saved; meanwhile, the electric test after the motor stops rotating can be normally carried out, the equipment is convenient to operate and convenient to install, the motor, the reduction gearbox and the coupling are not required to be changed, the motor is only required to be fixed in the motor protection cover, the cost is low, the maintenance and overhaul are convenient, the equipment is reliable in protection and band-type brake effect, and the manufacturing cost is low.

Description

High-voltage motor anti-reversion device with protection function

Technical Field

The utility model relates to the technical field of high-voltage motors, in particular to a high-voltage motor anti-reversion device with a protection function.

Background

The high-pressure fan is the main equipment of the boiler, the induced draft fan is an axial flow fan, and the smoke in the boiler is axially led into the chimney by using the lifting force generated by the rotation of the impeller; the blower is similar to the blower in function, and mainly conveys a large amount of combustion air to the boilers, each boiler sucking blower is provided with 2 blowers, and the blowers are communicated to the boilers through air channels, if one blower is stopped and the other blowers are still running, the stopped blowers are reversed, and due to the fact that the rotating speed is slower, the bearings are worn due to poor lubrication of the bearings, and the service life of the bearings is reduced; if the motor needs to do electrical tests such as direct resistance detection, the detection value is distorted due to induced voltage generated by motor reversal, and the detection cannot be completed; when the fan is stopped and started, the fan is in a reverse rotation state, the stress of the reduction gearbox gear is increased due to the inertia kinetic energy factor, the metal fatigue of the gear can be accelerated, the service life is reduced, and the serious consequences of direct breakage and damage of the gear can be caused when serious.

Disclosure of Invention

The utility model aims to provide the anti-reversion device with the protection function for the high-voltage motor, which has the advantage of anti-reversion and solves the problems of the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a take safeguard function's high-voltage motor anti-reverse device, includes the protection casing, the inner chamber bottom fixedly connected with support frame of protection casing, the top of support frame is provided with the brake block through pivot swing joint between two brake blocks, the top fixedly connected with spring between two brake blocks, the top fixedly connected with band-type brake mechanism of spring, band-type brake mechanism's right side has the handle through pivot swing joint, the other end of handle runs through to the surface of protection casing.

Preferably, the brake pad comprises an arc-shaped metal steel plate, and the inner wall of the arc-shaped metal steel plate is bonded with the rubber friction plate through an adhesive.

Preferably, the length and width of the brake pad are 100mm×300mm respectively.

Preferably, the surface of the protective cover is provided with a locking groove, and the handle is matched with the locking groove for use.

Preferably, the surface of the handle is sleeved with an anti-slip sleeve, and the surface of the anti-slip sleeve is provided with anti-slip patterns.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the matched use of the protective cover, the band-type brake mechanism, the brake pad, the spring, the support frame and the handle, the protective cover can play a role in preventing the damage of rotating machinery, the band-type brake device can effectively prevent the fan and the water pump from reversing after the fan and the water pump are stopped, the defects of damage of a motor bearing and a reduction gearbox gear, the service life is reduced, and the equipment maintenance cost is saved; meanwhile, the electric test after the motor stops rotating can be normally carried out, the equipment is convenient to operate and convenient to install, the motor, the reduction gearbox and the coupling are not required to be changed, the motor is only required to be fixed in the motor protection cover, the cost is low, the maintenance and overhaul are convenient, the equipment is reliable in protection and band-type brake effect, and the manufacturing cost is low.

2. The utility model has the advantages of simple and convenient installation, low cost, convenient maintenance, convenient operation, good protection effect, convenient mass production and wide application prospect.

Drawings

FIG. 1 is a schematic diagram of an unlocking state structure of an anti-reverse rotation device of a high-voltage motor;

FIG. 2 is a schematic diagram showing the state structure of a band-type brake of the anti-reversion device of the high-voltage motor;

fig. 3 is a side view of the anti-reverse device of the high voltage motor of the present utility model.

In the figure: 1. a protective cover; 2. a band-type brake mechanism; 3. a brake pad; 4. a spring; 5. a support frame; 6. a handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The components of the utility model are all common standard components or components known to those skilled in the art, and the structures and principles thereof are all known to those skilled in the art through technical manuals or through routine experimental methods.

Referring to fig. 1-3, the high-voltage motor anti-reversion device with a protection function comprises a protection cover 1, wherein the bottom of an inner cavity of the protection cover 1 is fixedly connected with a support frame 5, the top of the support frame 5 is movably connected with brake pads 3 through a rotating shaft, a coupler is arranged between the two brake pads 3, the top between the two brake pads 3 is fixedly connected with a spring 4, the top of the spring 4 is fixedly connected with a band-type brake mechanism 2, the right side of the band-type brake mechanism 2 is movably connected with a handle 6 through the rotating shaft, the other end of the handle 6 penetrates through the surface of the protection cover 1, and the protection cover 1 can play a role in preventing rotary mechanical injury through the cooperation of the protection cover 1, the band-type brake mechanism 2, the brake pads 3, the spring 4, the support frame 5 and the handle 6, and the band-type brake device can effectively prevent the fan and the water pump from reversion after the shutdown, avoid the damage of a motor bearing and a reduction gearbox gear, reduce the service life and other defects and save the equipment maintenance cost; meanwhile, the electric test after the motor stops rotating can be normally carried out, the equipment is convenient to operate and convenient to install, the motor, the reduction gearbox and the coupling are not required to be changed, the motor is only required to be fixed in the protective cover 1 of the motor, the cost is low, the maintenance and overhaul are convenient, and the equipment is reliable in protection and band-type brake effect and low in manufacturing cost.

The brake pad 3 comprises an arc-shaped metal steel plate, and a rubber friction plate is bonded on the inner wall of the arc-shaped metal steel plate through an adhesive.

The length and width of the brake pad 3 are 100mm x 300mm, respectively.

The surface of the protective cover 1 is provided with a locking groove, and the handle 6 is matched with the locking groove.

The surface of the handle 6 is sleeved with an anti-slip sleeve, and the surface of the anti-slip sleeve is provided with anti-slip patterns.

During the use, through pressing handle 6, can drive band-type brake mechanism 2 through handle 6 and remove, band-type brake mechanism 2 drives the shrink of spring 4, and spring 4 drives the shrink of brake block 3, can carry out the band-type brake lock function to the shaft coupling, can avoid appearing the function of reversal, simultaneously through the locking groove inner chamber with handle 6 card in protection casing 1 bottom, can lock handle 6 and die, avoid the condition that vibrations break away from.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. High-voltage motor anti-reversion device with protection function, comprising a protective cover (1), and characterized in that: inner chamber bottom fixedly connected with support frame (5) of protection casing (1), the top of support frame (5) is through pivot swing joint has brake block (3), is provided with the shaft coupling between two brake blocks (3), top fixedly connected with spring (4) between two brake blocks (3), the top fixedly connected with band-type brake mechanism (2) of spring (4), the right side of band-type brake mechanism (2) is through pivot swing joint has handle (6), the other end of handle (6) runs through to the surface of protection casing (1).

2. The high-voltage motor anti-reverse device with a protection function according to claim 1, wherein: the brake pad (3) comprises an arc-shaped metal steel plate, and a rubber friction plate is bonded on the inner wall of the arc-shaped metal steel plate through an adhesive.

3. The high-voltage motor anti-reverse device with a protection function according to claim 1, wherein: the length and the width of the brake pad (3) are respectively 100mm multiplied by 300mm.

4. The high-voltage motor anti-reverse device with a protection function according to claim 1, wherein: the surface of the protective cover (1) is provided with a locking groove, and the handle (6) is matched with the locking groove.

5. The high-voltage motor anti-reverse device with a protection function according to claim 1, wherein: the surface of the handle (6) is sleeved with an anti-slip sleeve, and the surface of the anti-slip sleeve is provided with anti-slip patterns.